Automatic Slack Adjuster Trailer & Drive 28 Spline 1.50" - 138.2830FC

Part#: AAA6011382830FC

Features and Benefits

  • Automatic slack adjuster for both trailer and drive axle brake service requirements
  • Arm length of 6" provides the mechanical advantage needed for trailer and drive axle actuation
  • Unhanded design allows universal installation on trailer and drive axle positions from one part
  • Clearance sensing maintains consistent brake gap on trailer and drive axle applications
  • Spline engagement provides positive torque transfer to trailer and drive axle brake camshafts
  • Bushing bore designed for accurate camshaft alignment on trailer and drive axle installations

Warranty

Warranty Up to 3 years warranty

Please contact customer service to know more details

Weight7.50
Arm Length6.00 in.
Slack Spline Diameter1.50 in.
Slack Spline Count28
ApplicationTrailer, Drive
Sensing TypeClearance
TypeUnhanded
Bushing Inside Diameter0.50 in.
Maximum Torque RatingLess than 15 foot pounds
Interchange
05562
ABPN42ASAS1173
AS1173
E15056B
The Slack Adjuster is an unhanded clearance-sensing design with a 6" arm, built for automatic adjustment on trailer and drive axles of Heavy Duty commercial vehicles. Featuring a secure spline engagement, the component ensures consistent stopping performance and smooth actuation across a wide range of transport platforms.
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Hundreds of parts

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